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Showing 1–24 of 600 matching trials from the live ClinicalTrials.gov search.
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Terminated No phase listed Observational

Methylphenidate Studies for Drug Abuse Vulnerability Molecular Genentics

NCT00247689
View directory record Official record
Conditions
Substance Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Sep 13, 2026, 1:23 PM EDT
Terminated No phase listed Observational

Soberlink - MAP Outcomes Study Protocol

NCT03190356
View directory record Official record
Conditions
Alcohol Addiction
Interventions
Soberlink Cellular Device
Device
Lead sponsor
Soberlink Healthcare LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
6 participants
Timeline
2017 – 2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

The Long-Term Treatment of Drug Addiction and Unemployment

NCT02487745
View directory record Official record
Conditions
Substance Abuse, Intravenous
Interventions
Abstinence-contingent wage supplements, Individual Placement and Support (IPS) supported employment
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Neuromodulation of Trauma Memories in PTSD & Alcohol Dependence

NCT01055171
View directory record Official record
Conditions
Alcohol Dependence, PTSD
Interventions
Propranolol, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 7, 2016 · Synced Sep 13, 2026, 1:23 PM EDT
Recruiting Not applicable Interventional

The Oklahoma Parent-Child Assistance Program

NCT05534568
View directory record Official record
Conditions
Substance Use Disorders, Pregnancy Related, Alcohol Use Disorder (AUD), Alcohol Use Complicating Pregnancy, First Trimester, Alcohol Use Complicating Pregnancy, Second Trimester, Alcohol Use Complicating Pregnancy, Third Trimester, Alcohol Use Complicating Pregnancy, Unspecified Trimester, Alcohol Use Complicating Pregnancy, Childbirth, and the Puerperium, Fetal Alcohol Spectrum Disorders, Fetal Alcohol Syndrome, Drug Use Disorders, Drug Use Complicating Pregnancy, First Trimester, Drug Use Complicating Pregnancy, Second Trimester, Drug Use Complicating Pregnancy, Third Trimester, Drug Use Complicating Pregnancy, Unspecified Trimester, Drug Use Complicating Pregnancy, Childbirth, and the Puerperium, Maternal Drugs Affecting Fetus
Interventions
Parent-Child Assistance Program
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

Brain Stimulation For Cancer Smokers

NCT03419741
View directory record Official record
Conditions
Cancer of Head and Neck, Breast Cancer, Prostate Cancer, Nicotine Dependence
Interventions
Transcranial Magnetic Stimulation Clinical Research System
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2022 · Synced Sep 13, 2026, 1:23 PM EDT
Recruiting Phase 4 Interventional

Varenicline and Accelerated Transcranial Magnetic Stimulation (TMS) for Quitting Nicotine Use (Pilot Study)

NCT07145866
View directory record Official record
Conditions
Nicotine Dependence, Transcranial Magnetic Stimulation, Vaping, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Varenicline, Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham, Nicotine Cessation Counseling, D-cycloserine
Drug · Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

Study of Opioid Use After Lumbar and Cervical Spine Surgery

NCT02674711
View directory record Official record
Conditions
Low Back Pain, Opiate Addiction, Neck Pain
Interventions
Educational Video
Behavioral
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Sep 13, 2026, 1:23 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Outcome Inference in the Sensory Preconditioning Task in Opioid-Use Disorder

NCT03745339
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 60 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-cig Perception: Study 1

NCT05432830
View directory record Official record
Conditions
Nicotine Addiction, E-Cig Use, Cigarette Smoking, Sex Differences
Interventions
E-liquid Flavor 1, E-liquid Flavor 2, E-liquid Flavor 3
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone Application (ACT on Vaping) for Vaping Cessation in Young Adults

NCT05897242
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Addiction, Nicotine Use Disorder, Nicotine Vaping, Vaping
Interventions
Smartphone app, Text Message, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2Phase 3 Interventional

Recovery Housing For Drug Dependent Pregnant Women

NCT00497302
View directory record Official record
Conditions
Drug Addiction
Interventions
RBT, usual care
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Effect of Yohimbine on Cocaine Cue Reactivity

NCT00535002
View directory record Official record
Conditions
Cocaine Related Disorders
Interventions
Yohimbine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alcohol and Gender Effects on Stress Circuit Function

NCT00226694
View directory record Official record
Conditions
Alcoholism, Stress, Alcohol Dependence
Interventions
Citalopram, Placebo
Drug · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

GABA (Gamma Amino Butyric Acid) Medication for Tobacco

NCT00644137
View directory record Official record
Conditions
Nicotine Dependence
Interventions
pregabalin, cigarettes
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

Clinical Trial of Smoking Cessation Mobile Phone Program

NCT02656745
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional

Propranolol for Treatment of Cocaine Addiction - 2

NCT00000197
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Propranolol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
25 Years to 49 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1987 – 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 2 Interventional Results available

Evaluation of Moclobemide, a Reversible MAO-A Inhibitor, as an Adjunct to Nicotine Replacement Therapy in Female Smokers

NCT01926626
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Nicotine Patch, Moclobemide
Drug
Lead sponsor
Jed E. Rose
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Charlotte, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Sedatives on Tobacco Use Disorder Version 2

NCT05505630
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Ketamine, Midazolam, Dexmedetomidine, Saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Not yet recruiting Phase 2 Interventional

Daridorexant for People With Insomnia and Alcohol Use Disorder Study

NCT07701928
View directory record Official record
Conditions
Alcohol Use Disorder, Insomnia
Interventions
Daridorexant, Placebo, Brief Counseling, MEMS and Medication Accounting, Contingency Management for Medication Adherence
Drug · Behavioral · Device
Lead sponsor
Sterling McPherson
Other
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 3 Interventional

Extension to Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00630201
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine (buprenorphine implant)
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Los Angeles, California • National City, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 3 Interventional Results available

RCT Comparing Methadone and Buprenorphine in Pregnant Women

NCT00271219
View directory record Official record
Conditions
Opioid Related Disorders, Pregnancy, Opioid Dependence
Interventions
Methadone, Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
6
States / cities
Baltimore, Maryland • Detroit, Michigan • Philadelphia, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

A Study to Help People Quit Smoking.

NCT01880099
View directory record Official record
Conditions
Nicotine Dependence
Interventions
placebo, Galantamine 8mg, Galantamine 16mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 22, 2020 · Synced Sep 13, 2026, 1:23 PM EDT
Completed Phase 1Phase 2 Interventional

The Role of Nicotine and Non-Nicotine Alkaloids in E-Cigarette Use and Dependence

NCT02590393
View directory record Official record
Conditions
Nicotine Dependence
Interventions
E-cigarettes
Combination Product
Lead sponsor
Duke University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 13, 2026, 1:23 PM EDT